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DK132088D0 - Knogledensitometer - Google Patents

Knogledensitometer

Info

Publication number
DK132088D0
DK132088D0 DK132088A DK132088A DK132088D0 DK 132088 D0 DK132088 D0 DK 132088D0 DK 132088 A DK132088 A DK 132088A DK 132088 A DK132088 A DK 132088A DK 132088 D0 DK132088 D0 DK 132088D0
Authority
DK
Denmark
Prior art keywords
bone densitometer
densitometer
bone
Prior art date
Application number
DK132088A
Other languages
English (en)
Other versions
DK132088A (da
Inventor
Jay A Stein
Original Assignee
Hologic Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hologic Inc filed Critical Hologic Inc
Publication of DK132088D0 publication Critical patent/DK132088D0/da
Publication of DK132088A publication Critical patent/DK132088A/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/46—Combined control of different quantities, e.g. exposure time as well as voltage or current
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DK132088A 1986-07-14 1988-03-11 Knogledensitometer DK132088A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/885,098 US4947414A (en) 1986-07-14 1986-07-14 Bone densitometer
PCT/US1987/001659 WO1988000697A1 (en) 1986-07-14 1987-07-14 Bone densitometer

Publications (2)

Publication Number Publication Date
DK132088D0 true DK132088D0 (da) 1988-03-11
DK132088A DK132088A (da) 1988-03-11

Family

ID=25386128

Family Applications (1)

Application Number Title Priority Date Filing Date
DK132088A DK132088A (da) 1986-07-14 1988-03-11 Knogledensitometer

Country Status (5)

Country Link
US (1) US4947414A (da)
EP (1) EP0274522A4 (da)
JP (1) JP2721345B2 (da)
DK (1) DK132088A (da)
WO (1) WO1988000697A1 (da)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5148455A (en) * 1986-07-14 1992-09-15 Hologic, Inc. Bone densitometer
US5165410A (en) 1987-05-15 1992-11-24 Medical & Scientific Enterprises, Inc. Position indicating system for a multidiagnostic scanner
US5572998A (en) * 1987-05-15 1996-11-12 Hologic, Inc. Method of scanning the spine of a patient to determine bone density along two different axes
USRE34511E (en) * 1987-05-15 1994-01-18 Hologic, Inc. Method of radiologically scanning the spine for measuring bone density
US6230036B1 (en) 1987-05-15 2001-05-08 Hologic, Inc. System for radiologically scanning the spine for measuring bone density
US5132995A (en) * 1989-03-07 1992-07-21 Hologic, Inc. X-ray analysis apparatus
JP2741236B2 (ja) * 1989-03-14 1998-04-15 コニカ株式会社 放射線撮影装置の露出補償装置
FR2649883B1 (fr) * 1989-07-20 1991-10-11 Gen Electric Cgr Procede de correction de la mesure de la densite osseuse dans un scanner
US5150394A (en) 1989-12-05 1992-09-22 University Of Massachusetts Medical School Dual-energy system for quantitative radiographic imaging
US6031892A (en) 1989-12-05 2000-02-29 University Of Massachusetts Medical Center System for quantitative radiographic imaging
DE4000507A1 (de) * 1990-01-10 1991-07-11 Philips Patentverwaltung Anordnung zur untersuchung eines pruefobjekts mit gamma- oder roentgenstrahlung
EP0449113B1 (en) * 1990-03-22 1994-10-26 Matsushita Electric Industrial Co., Ltd. Method of inspecting a mass content of a target material using a multi-channel X-ray image sensor
US5125747A (en) * 1990-10-12 1992-06-30 Tytronics, Inc. Optical analytical instrument and method having improved calibration
US5745544A (en) * 1991-02-13 1998-04-28 Lunar Corporation Bone densitometer with film cassette
US5533084A (en) * 1991-02-13 1996-07-02 Lunar Corporation Bone densitometer with improved vertebral characterization
US5247559A (en) * 1991-10-04 1993-09-21 Matsushita Electric Industrial Co., Ltd. Substance quantitative analysis method
EP0538707A1 (de) * 1991-10-25 1993-04-28 Heimann Systems GmbH & Co. KG Röntgenscanner
US5253282A (en) * 1992-04-27 1993-10-12 Lunar Corporation System for selective material imaging
US5585603A (en) * 1993-12-23 1996-12-17 Design Systems, Inc. Method and system for weighing objects using X-rays
WO1996016529A1 (en) * 1994-11-22 1996-05-30 Analogic Corporation Normalization of tomographic image data
CA2163504A1 (en) 1994-11-25 1996-05-26 Jay A. Stein X-ray bone densitometry
GB9603193D0 (en) * 1996-02-15 1996-04-17 Molins Plc Cigarette manufacture
US6102567A (en) * 1996-05-17 2000-08-15 Hologic, Inc. X-ray bone densitometry using a vertically scanning gantry
US5949846A (en) 1997-02-03 1999-09-07 Hologic, Inc. Bone densitometry using x-ray imaging systems
GB9702202D0 (en) 1997-02-04 1997-03-26 Osteometer Meditech As Diagnosis of arthritic conditions
USD399963S (en) 1997-03-07 1998-10-20 Lunar Corporation Peripheral bone densitometer with heel positioner
US5852647A (en) * 1997-09-24 1998-12-22 Schick Technologies Method and apparatus for measuring bone density
WO1999045371A1 (en) 1998-03-02 1999-09-10 Image Anaylsis, Inc. Automated x-ray bone densitometer
GB9814701D0 (en) * 1998-07-08 1998-09-02 Avs Metrology Limited Radiation monitoring of a physical propert of a material
FR2801776B1 (fr) * 1999-12-03 2002-04-26 Commissariat Energie Atomique Procede d'utilisation d'un systeme d'osteodensitometrie, par rayonnement x bi-energie, a faisceau conique
US6510197B1 (en) 2000-01-11 2003-01-21 Alara, Inc. Method and apparatus for osteoporosis screening
US6990222B2 (en) * 2001-11-21 2006-01-24 Arnold Ben A Calibration of tissue densities in computerized tomography
JP4331444B2 (ja) * 2002-07-22 2009-09-16 株式会社日立メディコ 医用画像診断装置の撮影条件設定装置
WO2007058918A2 (en) 2005-11-11 2007-05-24 Hologic Inc. Estimating risk of future bone fracture utilizing three-dimensional bone density model
US8708561B2 (en) 2009-03-20 2014-04-29 Orthoscan, Inc. Mobile imaging apparatus
WO2012082799A1 (en) 2010-12-13 2012-06-21 Orthoscan, Inc. Mobile fluoroscopic imaging system
US9044186B2 (en) 2012-06-25 2015-06-02 George W. Ma Portable dual-energy radiographic X-ray perihpheral bone density and imaging systems and methods
JP6129006B2 (ja) * 2013-07-18 2017-05-17 株式会社日立製作所 Ｘ線測定装置
AU2016222642B2 (en) 2015-02-26 2021-07-15 Hologic, Inc. Methods for physiological state determination in body scans
US12226250B2 (en) 2017-03-31 2025-02-18 Hologic, Inc. Multiple modality body composition analysis
EP3975848A4 (en) * 2019-05-28 2023-06-14 Hologic, Inc. SYSTEM AND METHOD FOR CONTINUOUS CALIBRATION OF X-RAY SCANNING
PE20231326A1 (es) * 2020-09-02 2023-08-28 Chrysos Corporation Ltd Mejoras en las mediciones del analisis por activacion de gamma
CN119032263A (zh) * 2022-12-07 2024-11-26 宁德时代新能源科技股份有限公司 面密度检测装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1323714A (en) * 1969-10-01 1973-07-18 Exatest Messtechnik Gmbh Positioning device
SE373279B (sv) * 1973-05-11 1975-02-03 Atomenergi Ab Forfarande och anordning for undersokning av en del av en biologisk vevnad
US3854049A (en) * 1973-12-10 1974-12-10 Wisconsin Alumni Res Found Compensation for patient thickness variations in differential x-ray transmission imaging
US3996471A (en) * 1975-03-11 1976-12-07 Nasa Method and system for in vivo measurement of bone tissue using a two level energy source
JPS5795726A (en) * 1981-09-11 1982-06-14 Toshiba Corp Voltage level shift circuit
US4400827A (en) * 1981-11-13 1983-08-23 Spears James R Method and apparatus for calibrating rapid sequence radiography
US4811373A (en) * 1986-07-14 1989-03-07 Hologic, Inc. Bone densitometer

Also Published As

Publication number Publication date
JP2721345B2 (ja) 1998-03-04
WO1988000697A1 (en) 1988-01-28
EP0274522A1 (en) 1988-07-20
JPH01500298A (ja) 1989-02-02
US4947414A (en) 1990-08-07
DK132088A (da) 1988-03-11
EP0274522A4 (en) 1990-02-05

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Legal Events

Date Code Title Description
PBP Patent lapsed
AHB Application shelved due to non-payment